Denis Hayes is president of the Bullitt Foundation and chairman of the board of trustees of the American Solar Energy Society. He was director of the federal Solar Energy Research Institute during the Carter administration and was national coordinator of the first Earth Day in 1970, and he now is chair emeritus of the International Earth Day Network.
More from Denis Hayes
This April marks the 40th anniversary of Earth Day, an event that has attracted millions to environmental causes. But winning passage of meaningful legislation on climate change requires more than slogans and green talk — it demands intense, determined political action.
Congress has repeatedly failed to extend the tax credits for renewable energy, which expire at the end of this year. The gridlock is discouraging investment in renewables and jeopardizing major solar and wind projects throughout the country.
A cap-and-trade system is not the answer, according to a leading alternative-energy advocate. To really tackle climate change, the United States must revolutionize its entire energy strategy.
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Yale Environment 360
articles are now available in Spanish and Portuguese on Universia
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Business & Innovation
Policy & Politics
Pollution & Health
Science & Technology
Antarctica and the Arctic
Central & South America
A three-part series Tainted Harvest
looks at the soil pollution crisis in China, the threat it poses to the food supply, and the complexity of any cleanup. Read the series.
is now available for mobile devices at e360.yale.edu/mobile
The Warriors of Qiugang
, a Yale Environment 360
video, chronicles a Chinese village’s fight against a polluting chemical plant. It was nominated for a 2011 Academy Award for Best Documentary Short.
Watch the video.
Top Image: aerial view of Iceland
. © Google & TerraMetrics.
, winner of the Yale Environment 360 Video Contest, documents the work of African researchers monitoring wildlife in Uganda's remote Bwindi Impenetrable National Park. Watch the video.